Added test for UTC timezone.

.travis/dispatch.sh

@@ -53,6 +53,6 @@ else
     # Only run tests against the new configuration
     # TODO: don't hard-code this
     if [[ "${SALT_NODE_ID}" == "servo-master1" ]]; then
-        ./test.py sls.buildbot.master sls.homu sls.nginx
+        ./test.py sls.buildbot.master sls.common.timezone sls.homu sls.nginx
     fi
 fi

tests/sls/common/timezone.py

@@ -0,0 +1,18 @@
+import subprocess
+
+from tests.util import Failure, Success
+
+
+def run():
+    command = "date | grep -v UTC"
+    ret = subprocess.run(command,
+                         stdout=subprocess.PIPE,
+                         stderr=subprocess.PIPE,
+                         universal_newlines=True,
+                         shell=True)
+
+    if ret.returncode == 1:
+        return Success("Date is in UTC")
+    else:
+        return Failure("Date is not in UTC: ", ret.stdout)
+